Patch "x86/ldt: Further fix FPU emulation" has been added to the 4.1-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
x86/ldt: Further fix FPU emulation
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-ldt-further-fix-fpu-emulation.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
12e244f4b550498bbaf654a52f93633f7dde2dc7Mon Sep 17 00:00:00 2001
From: Andy Lutomirski <[email protected]>
Date: Fri, 14 Aug 2015 15:02:55 -0700
Subject: x86/ldt: Further fix FPU emulation
From: Andy Lutomirski <[email protected]>
commit 12e244f4b550498bbaf654a52f93633f7dde2dc7 upstream.
The previous fix confused a selector with a segment prefix. Fix it.
Compile-tested only.
--- arch/x86/math-emu/get_address.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
arch/x86/math-emu/get_address.c +1 -1
@@ -157,7 +157,7 @@ static long pm_address(u_char FPU_modrm, addr->selector =PM_REG_ (segment); } - descriptor =FPU_get_ldt_descriptor (segment); + descriptor =FPU_get_ldt_descriptor (addr->selector); base_address =SEG_BASE_ADDR (descriptor); address = base_address + offset; limit = base_address
Patches currently in stable-queue which might be from [email protected] are
queue-4.1/x86-ldt-correct-ldt-access-in-single-stepping-logic.patch queue-4.1/x86-ldt-correct-fpu-emulation-access-to-ldt.patch queue-4.1/x86-ldt-make-modify_ldt-synchronous.patch queue-4.1/x86-ldt-further-fix-fpu-emulation.patch